footer {
    width: 100%;
    padding-top: 50px;
    padding-bottom: 66px;
    border-top: 1px solid #E8E8E8;
    overflow: hidden; /* 这个非常重要：这个是解决浮动带来的问题 -- 浮动会导致浮动元素的父元素_无法正确计算高度_从而带来布局问题 */
}

footer .other_login_method {
    float: left;
    width: 182px;
    height: 138px;
    padding-right: 130px;
    border-right: 1px solid #E8E8E8;
    color: #333;
}

footer .other_login_method .btn {
    color: #00b38a;
    border: 1px solid #00b38a;
    width: 180px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-size: 16px;
    margin-bottom: 16px;
}

footer .other_login_method .btn:hover {
    color: white;
    background: #00b38a;
}

footer .other_login_method .mini_program {
    position: relative;
}

footer .other_login_method .mini_program img {
    width: 140px;
    height: 140px;
    position: absolute;
    top: -1px;
    right: -150px;
    border: 1px solid #EAEEED;
    box-shadow: 0 2px 8px 0 rgba(0 0 0, 0.1);
    display: none;
}

footer .other_login_method .mini_program:hover img {
    display: block;
}

footer .service {
    float: left;
    width: 912px; /* 好像可以去掉 */
    height: 138px;
    margin-left: -30px; /* 这个非常重要：没有这个，右边的宽度会不够用，会导致换行 */
}

footer dl {
    float: left;
    margin-left: 160px;
}

footer dl dt {
    color: #555;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 30px;
}

footer dl dd {
    color: #555;
    font-size: 14px;
    height: 22px;
    line-height: 22px;
    margin-bottom: 10px;
}

footer a:hover {
    cursor: pointer;
}

footer .wx_or_wb {
    height: 22px;
    line-height: 22px;
    color: #555;
    font-size: 14px;
}

footer .wx_or_wb:hover {
    color: #00b38a;
}

footer .wx_or_wb i {
    display: inline-block;
    background: url("../images/other_login_sprite.png") no-repeat;
    background-size: 128px 128px;
    margin-right: 5px;
}

footer .wx_or_wb .wx i {
    width: 16px;
    height: 16px;
    background-position: -10px -68px;
}

footer .wx_or_wb .wx:hover i {
    background-position: -34px -42px;
}

footer .wx_or_wb .wx {
    float: left;
}

footer .wx_or_wb .wb i {
    width: 16px;
    height: 14px;
    background-position: -10px -95px;
}

footer .wx_or_wb .wb:hover i {
    background-position: -40px -10px;
}

footer .wx_or_wb .wb {
    float: right;
}
